package Month11.Day22;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;

public class Test2 {
    public static void main(String[] args) throws Exception {
        BufferedReader br=new BufferedReader(new FileReader("D:\\中国玩家\\data.txt"));
        String s=null;
        int temp=0;
        while ((s=br.readLine())!=null){
            int s1=Integer.parseInt(s);
            if (temp<s1){
                temp=s1;
            }

        }
        System.out.println(temp);
        br.close();
    }
}
